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Introduction to Linux - A Hands on Guide

This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started guide, with exercises at the end of each chapter.
For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant. They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own.

Providing a complete survey of DNS (Domain Name System) servers, this reference outlines the most suitable types of servers for varying scenarios. Addressing performance and security issues, this resource describes in detail the ideal scenarios for each server. Additional topics discussed include how DNS information can be stored in LDAP (Lightweight Directory Access Protocol) directories or SQL databases as well as how to construct robust DNS systems.

ADS is Mr. Jan Piet's Answer to the variety of DNS servers thats out there. Equipped
with roughly 700 pages and a 40p. detailed Index !! he is describing at least 11 !! type
of DNS servers.
( more if you count the variations and perl versions).

Regarding OS coverage the author stays in the Windows (Cygwin), Linux area but I think
its fair to say that BSD and any *nix type system is not to much different to use.

The author is not just describing the DNS projects but illustrating their strength and
weaknesses in countless carefully prepared scenarios.
Wether its the basics of how zones work or other nitty gritty details f.e where you place
the caching DNS, how the resolver works or more specific special case scenarios - its all
covered
Once you run through the preparation part of the book you basically run through a huge
variety of case scenarios separated in 24 chapters.
The first 18 describe the DNS products and their usage, the next six describe operational
issues (updating issues, internationalization, DNSSEC, Performance, Security etc.)

An 8 chapter strong appendix delivers background on subjects you might require additional
help for coverage you might simply not find in any other books. f.e the not so known
programming language LUA.

By the time you have worked through the book you will have inherited the equivalent of a
bulk of not less than 5-10 years of senior system engineering experience.
I particularly like that the book is obviously well structured. The instructions detail
level is thorough, instructive and inspirational at the same time.

The book is not only teaching you how to use the DNS projects, but also how to think
outside of the box to enhance them f.e with Perl, scripting etc. to make them fit and
work towards your needs.

I have never seen anything like it for the DNS sector within the last 10 years or more,
nor in the USA, neither in Europe or Asia.
If your company or profession is closely related to DNS based products or their usage you
own it to yourself to pay close attention to this book.